Section 4. The Commissioners shall make rules for regulating, stationing and anchoring ships, vessels, and boats in the river Delaware and its navigable tributaries, or at the wharves, piers, or bulkheads, or in the docks, slips, or basins, extending into or on the said river and its navigable tributaries; for removing, from time to time, ships, vessels, and boats, in order to accommodate and make room for others, or for admitting river craft to pass in and out of the docks, slips, and basins, and for compelling the masters and captains of ships, vessels, and boats to accommodate each other, so that ships, vessels, and boats shall, for a reasonable time, be entitled to berths next to the wharves, piers, and bulkheads, until they have landed or loaded their cargoes.